at the city of the Pokemon league
Chat with our AI personalities
fly
The HM Whirlpool is not obtainable in Pokemon Platinum, for there is no use for it during gameplay.
Dig is not a HM in Pokemon Platinum but a TM, it can be found in the ruin maniacs cave.
In Pokemon Platinum, Flash is a TM.
in any Pokemon game, a Pokemon can't learn fly without an HM. as you progress in any Pokemon game, someone will give you an HM or you will find it. there are other moves that are also only able to be obtained by an HM (fly, surf, cut .etc.)